Friday
May 24, 2013

# Posts by charlotte

Total # Posts: 75

pysics
a piston-cylinder device initially contains 0.4m^3 of air at 100KPa and 80 degrees celcius. the air is now compressed to 0.1m^3 in such a way that the temperature inside the cylinder remains constant. determine the workdone by during this process.

physics
An olympic diver springs forward off a 10 meter platform. He enters the water 8 meters beyond the edge of the platform. how much time does it spend in the air?

Computers
What are the ethical, social, and political issues that might arise through using a wiki? I believe I have found all of the possible ethical issues, but I cannot seem to find anything on the political or social aspects of the question. Any help would be appreciated. Thank you.

geography
What are 2 reasons why some geographers today believe Thomas Malthus' theory cannot be used to predict future population issues? Explain. What are 2 reason why some geographers today belies Thomas Malthus' theory can be use to predict future population issues? Explain.

Algebra 2
Find the inverse of: f(x)=(-1/2)x+3 form of answer..y= Thank you so much!

Math
How do you answer this problem? The square root of 24 subract the square root of 3/2.

physics
A small boy is trying to open a 50 kg door with a height of 2 meters and a width of 75 centimeters. If he applies a force of 5 Newtons at the door handle (5 cm from the edge), how long will it take to open the door so that it's completely open (perpindicular to when it was...

college
At the center of a 50 m diameter circular ice rink, a 75 kg skater traveling north at 2.5 m/s collides with and holds onto a 60 kg skater who had been heading west at 3.5 m/s. How long will it take them to get to the edge of the rink. Where will the reach it. Give your answer ...

math